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Knit long sleeves are your go-to for effortless layering and cozy comfort, blending style with functionality. From beach bonfires to city strolls, these versatile pieces transition seamlessly into any setting, offering fresh new styles that keep you warm and on-trend. Dive into a collection that captures the essence of casual cool, with designs that speak to individuality and personal flair. With a great assortment and fast shipping, Tillys is your destination for discovering your next favorite knit long sleeve look.

$27.99
Now $9.97 (64% Off)

SALE!

A burgundy ribbed Henley top with long sleeves, 3-button placket, and fitted silhouette.

$17.99
Now $4.97 (72% Off)

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A chic green ribbed tee with a square neckline, crafted from a cotton-polyester-spandex blend.

$24.99
Now $12.97 (48% Off)

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A burgundy rib knit long sleeve tee with picot trim and allover stripe pattern.

$43.20

A beige waffle knit long sleeve tee with a raw hem, made from 50% cotton and 50% polyester.

$26.99
Now $9.97 (63% Off)

SALE!

A fitted olive long sleeve top with a notched neckline and rib knit construction.

$26.99
Now $8.97 (67% Off)

SALE!

A black rib knit tee with leopard print sleeves for a stylish layered look.

$29.99
Now $11.97 (60% Off)

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A green, fitted long sleeve tee with a ribbed texture and flattering boat neckline.

$26.99
Now $8.97 (67% Off)

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A cream rib knit long sleeve baby tee with a chest graphic and fitted silhouette.

$62.40

A preppy green cable knit sweater with a contrast V-neckline and cuffs, made from 100% Acrilan.

$24.99
Now $13.97 (44% Off)

SALE!

A navy rib knit long sleeve tee with picot trim and an allover stripe pattern.

$35

A black long sleeve top with lace trim, scooped henley neckline, and a slim, cropped fit.

$14.99
Now $8.97 (40% Off)

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A versatile black long sleeve baby tee made of 95% cotton and 5% spandex.

$29.99
Now $21.97 (27% Off)

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A trendy off-the-shoulder tan top with a fitted silhouette, made from soft, stretchy ribbed knit fabric.

$24.99
Now $7.97 (68% Off)

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A tan open-weave knit sweater with ribbed crewneck, cuffed sleeves, and a cotton-acrylic blend.

$70.40

An oversized beige cable knit sweater made from 100% cotton for trendy, all-day comfort.

$24.99
Now $8.97 (64% Off)

SALE!

A tan rib knit top with a notched neckline and fitted silhouette, crafted from cotton and spandex.

$29.99
Now $9.97 (67% Off)

SALE!

A red long sleeve top with a square neckline, rib knit, bow details, and scalloped hem and cuffs.

$26.99
Now $8.97 (67% Off)

SALE!

A light blue cotton baby tee with a rose graphic and rib knit construction.

$54.99

A black waffle knit thermal with bold front graphic and cuffed long sleeves, made from 100% cotton.

$51.20

A dark red oversized knit top with long sleeves and a cozy cotton-polyester blend.

$36.80

A cozy white long-sleeve tee with thumb holes, crafted from waffle fabric for all-day comfort.

$32

A trendy grey long-sleeve top with contrast detailing and cozy waffle fabric, made of polyester and spandex.

$43.20

A relaxed purple waffle long sleeve tee with raw hem, made from 60% polyester and 40% cotton.

$28.80

A laidback black long sleeve top made of 95% cotton and 5% spandex, perfect for everyday wear.

Knit Long Sleeves

Knit long sleeves are the kind of wardrobe staple that feels just right, no matter where your summer takes you. When the sun dips and the breeze picks up—whether you’re catching the last light at the beach or heading out for a late-night bite with friends—there’s something about the effortless comfort of a knit long sleeve that just fits the vibe. These pieces are all about that perfect blend of coziness and breathability, making them a go-to for layering on cooler nights or tossing over your shoulders when you’re out and about. The soft textures and laid-back silhouettes invite you to relax into your day, whether you’re posted up at a backyard hang, running errands, or road-tripping up the coast. For anyone who’s into easy, versatile style, knit long sleeves are a solid move—they look just as good paired with denim cutoffs as they do thrown over a swimsuit or styled with your favorite joggers for a low-key day. And if you’re looking for a thoughtful gift, these are a foolproof pick for anyone who loves that mix of comfort and on-trend style—think birthdays, back-to-school, or just-because surprises for your crew.

When you’re picking out a knit long sleeve, it’s all about dialing in the details that match your personal style and how you move through your day. Lightweight knits are perfect for layering without feeling bulky, and the right fit—whether you go oversized for that slouchy, relaxed look or stick with something more fitted—can totally change up your vibe. Breathable fabrics keep things cool and comfy, especially when temps are up but you still want a little coverage. Colors and patterns set the mood, from sun-faded neutrals that channel those endless summer days to bold stripes or subtle textures that add a little something extra. These pieces are built for versatility, making them a smart pick for anyone who wants to stretch their closet—throw one on over a tank for evening bonfires, or style it with shorts and sandals for those days when the weather can’t make up its mind. If you’re all about keeping your look simple and streamlined, you’ll want to check out options like Simple Long Sleeves for clean lines and easy styling. No matter your plans, knit long sleeves are the kind of layer you’ll reach for again and again—made to move with you from laid-back afternoons to spontaneous summer adventures, and always ready to keep things comfortable and cool.

Top Picks For Knit Long Sleeves